Mary-Kate Olsen features on not one, not two, but three cover options for US Marie Claire's September issue. As one of the coolest girls in the world she manages to work a number of different trends with ease; case in point her three different cover looks — military, girly and experimental. They all show a different side to MK which show off her knack for wearing an eclectic mix of styles. Inside the issue she reveals that designing for The Row takes precedence over acting, and that she often wears looks from her and sister Ashley's affordable Olsenboye line. You can catch more from the shoot here, but in the meantime tell me which Mary-Kate cover you think is most fab, (I'm totally rooting for the blue/girly option)!